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1 In association with: Primary Care Society for Gastroenterology INFORMATION ABOUT Ulcerative Colitis Who gets Ulcerative Colitis? hat treatment might I expect? What is Ulcerative Colitis? an it cause complications? hat tests might I need? hat drugs are available? hy does it happen?

2 What is Ulcerative Colitis? Ulcerative Colitis (UC) is a disease of the rectum and the colon (otherwise known as the large intestine). It is one of the two conditions that are known as Inflammatory Bowel Diseases the other being Crohn s Disease. Who gets Ulcerative Colitis? The disease usually begins between the ages of 15 and 30 although it can appear at any age. It seems that men and women are equally likely to be affected. About 100,000 people in the UK have ulcerative colitis. It is fairly certain that there is nothing you might have done that could have brought it on. Any medical term that ends in -itis means that there is inflammation or damage to that part of the body. The term colitis means the colon has become inflamed and, if this becomes severe enough, the lining of the colon is actually breached and ulcers may form. The term ulcerative colitis can seem confusing as many patients never develop ulcers because the degree of inflammation is not that advanced. It s best to think of UC as a disease in which there is wide variation in the amount of inflammation so that in mild cases the colon can look almost normal but when the inflammation is bad, the bowel can look very diseased and can contain ulcers. How much of the colon can become diseased? Ulcerative colitis always affects the rectum that part of the large bowel which lies just inside the anus. Sometimes, the inflammation is limited just to the rectum this is known as proctitis. However, the inflammation can involve a variable length of the colon (see diagram). When the whole colon is affected, this is called pan-colitis or total colitis. We don t know why the amount of inflamed bowel varies so much from one person to the next. Why does UC happen? We don t know the cause of ulcerative colitis. Doctors have looked hard to find either an infection or something in the diet that might be causing the disease, but have drawn a blank. For a while it seemed that ulcerative colitis might be one of those diseases where the body seemed to be attacking itself. We now think that very unlikely, but there is no doubt that something must be causing damage to the lining of the large intestine. Most doctors now think the cause of UC relates to how patients react to the apparently harmless bacteria that everyone has in their colon. In most people, the bacteria that live in the colon do not cause any damage and indeed can be quite useful. They are sometimes known as friendly bacteria. However, patients with ulcerative colitis don t see them as being at all friendly and when the lining of the large intestine goes into battle with these bacteria, the result is that the inflammation starts. An enormous research effort is under way to find out why patients with ulcerative colitis appear to react badly to bacteria that don t normally cause any harm. What are the symptoms? The three most common symptoms of UC are diarrhoea, bleeding from the back passage and pain in the abdomen. However, symptoms do vary from one patient to the next, so many people do not have all three of these together. For example, some patients may just notice that they pass blood when they open their bowels. Others may not have diarrhoea but feel rather constipated. To a certain extent, the symptoms depend on how much inflammation there is and how much of the colon is affected by the disease. For some people, the symptoms can seem just a nuisance. For others, the condition can really interfere with day-to-day life which becomes organized around visits to the toilet. It is not only just the number of times this can happen each day but the hurry in which some patients need a toilet can also be extremely distressing. As symptoms are often at their worst in the morning, this can mean the start of the day can be quite an ordeal. Some patients pass considerable quantities of mucus when they open their bowels. Others can be greatly troubled by wind. Many patients can just feel tired, not their usual self and they (or their family and friends) notice they have become just plain irritable. 2 3

3 What is your doctor likely to do? What other investigations could be necessary? What treatment might I expect? Bringing ulcerative colitis under control Doctors use three separate steps to come to a precise diagnosis. Firstly, they will listen to your symptoms and ask you questions about your health. This is called taking your history. Secondly they will want to examine you to see if they can detect any signs that something is wrong. For example, they may notice that you are unusually pale (which might suggest you are anaemic) or, perhaps, you seem rather tender when the doctor presses gently on your tummy (which can be a sign of inflammation in the colon). Thirdly, they will probably ask you to undergo some tests. What tests might I need? If your doctor thinks you might have ulcerative colitis, you will probably be asked to have tests of your blood, your motions and your intestines. Blood tests will show if you are anaemic and whether your illness has caused the level of protein to fall. In general, the greater the degree of anaemia and the lower the protein level, the more severe the inflammation is likely to be. Doctors also use special blood tests called ESR and CRP to give a measure of the degree of inflammation. You may be asked to give small samples of your bowel motions so as to be sure there are no signs of any bowel infection. The most important investigation is to look directly at the lining of the large intestine. Sometimes the doctor will choose to carry out such an examination in the out-patient clinic. This is known as sigmoidoscopy and has the convenience of you not having to take any special preparations beforehand as the doctor will only look at the rectum and perhaps the lowest part of the sigmoid colon. However, sooner or later, the doctor will want to see more of your bowel and the best way to do this is by the technique of colonoscopy. What is a colonoscopy? A colonoscope is a tube which is long enough but sufficiently flexible to be passed through your back passage along the whole length of the colon. You will be asked to follow a special diet and also to take some quite powerful laxatives just before the test to make sure the bowel is entirely empty. You will be offered an injection beforehand to minimise any discomfort that might be caused but an anaesthetic is only needed very rarely. It is usually possible to see all of the rectum and the colon and it is likely that the doctor will take some biopsies (tiny pieces of the lining of the bowel) to study under a microscope after the procedure has finished. A colonoscopy will confirm the diagnosis of ulcerative colitis and provide detailed information on the extent and severity of inflammation in the intestine. Biopsies are often used to confirm the diagnosis. The cause of ulcerative colitis is not known. This has two important implications for treatment which patients should understand. Firstly, until the cause is discovered it is most unlikely that there will be a medicine that will cure the condition. Secondly, all treatments available at present are directed towards reducing the amount of inflammation in the bowel. Fortunately, for most patients with UC, medicines prove effective although it is possible that your treatment may need to be varied to find the drugs that work best for you. Your doctors will firstly try to find a treatment that will bring the disease under control. Then they will work on finding a treatment to keep you that way. Almost always, the choice of treatment will depend on the extent and severity of the inflammation within the large bowel. If the inflammation is confined to the rectum ( proctitis ), it is quite possible the doctor will recommend a medication that you will need to insert into the rectum through the back passage. Although the thought of this can be unpleasant, it can be helpful to appreciate that giving your treatment this way does mean that the therapy is really directed right against the inflamed part of your bowel. Treatment can be given as suppositories or as enemas. Enemas can also be useful if the disease involves more of the large bowel than just the rectum alone, but if the inflammation in the bowel is extensive enough to affect more than half of the colon, it is also likely that you will be prescribed tablets to take by mouth. What drugs are available? The anti-inflammatory drugs include aminosalicylates in milder cases and steroids if the inflammation is more severe. There are a variety of aminosalicylates (such as mesalazine) and your doctors will choose the preparation they feel is best for you. They are usually extremely safe to use. Steroids (such as prednisolone) are more powerful but doctors are rather reluctant for patients to take these drugs for more than a few weeks at a time because of the risk of side-effects. However, most patients do get better with these treatments. 4 5

4 How might a relapse be prevented? Your doctor will discuss alternative ways of preventing relapse. Aminosalicylates are helpful and may reduce cancer risk. If possible, doctors try to avoid giving patients with UC steroids in the long term because of side-effects. As an alternative, the possibility of taking azathioprine may be discussed with you. This calms down the immune system and, although only weakly effective against active disease, it has proved most useful in preventing relapses. This drug does need close monitoring in the first few weeks of treatment in order to detect side-effects although most people do not have any problems when they take it. What will happen if treatment with medicines fails? Doctors try hard to control UC with drugs and medicines. But if these don t help, or should you become very unwell, you may be offered admission to hospital. If the disease still fails to respond to treatment, it is likely that a surgical operation to remove the colon (called a colectomy) will be considered. Although surgery can seem a drastic step, it does cure the disease (if you don t have a colon, you can t have colitis). In former times, colectomy used to mean needing a bag to wear on your tummy. Nowadays, it is usually possible to remove the diseased colon and rectum and then construct a pouch of small intestine that acts very much like the rectum. So no need for a bag. Can Ulcerative Colitis cause complications? A small number of patients do have complications that relate to UC in their skin, eyes, joints or liver as a result of their disease. When you attend the hospital, you will be monitored to see if any of these complications do develop so that they can be treated. You may have heard that patients with UC run an increased risk of getting bowel cancer. The bad news is that this is true; the good news is that bowel cancer is still an uncommon complication of the disease and that your doctor will keep an eye on your bowel (quite literally by colonoscopy at regular intervals) to detect pre-malignant changes in the lining of the bowel at a stage well before cancer has yet developed. Am I likely to die of this disease? No. What research is needed? We must find the cause of the disease. Until then, we need to know as much as possible about all the steps that lead the inflammation in UC to develop. This will lead to the development of better drugs to control the condition. Being able to target drugs directly against the causes of the inflammation in UC is proving to be very valuable in developing new treatments. Updated May 2009 You can help combat gut and liver disease by making a donation. Core needs your support Quality of life may be seriously threatened when things go wrong with our insides. Diseases of the gut or liver cause pain and distress for many people in the UK and tragically account for around one in eight deaths. Core is here to help. Core works to prevent, cure or treat gut and liver diseases by funding high quality medical research. If you have found this leaflet useful, please use the form overleaf to make a donation to help Core s work. Core relies on charitable donations and urgently needs funds both to undertake more research and to continue its information programme. Send your completed form and donation to: Core FREEPOST LON4268 London NW1 0YT tel: fax: Your legacy can help cure serious gut disease Your Will can be an important tool in helping us to find cures and better treatments for serious gut and liver diseases. We need to know the funds are in place so we can continue to pay for the research that will save lives and help people. Mention Core in your Will and be a partner in our fight against gut and liver disease. For information on including Core in your Will, please contact us on , by at or by post to the address above. All Core s leaflets can be downloaded from the website: This leaflet is published by Core the Digestive Disorders Foundation in association with the British Society of Gastroenterology and the Primary Care Society for Gastroenterology. This booklet is provided for information only. The information found is not a substitute for professional medical care by a qualified doctor or other health care professional. ALWAYS check with your doctor if you have any concerns about your condition or treatment. The publishers are not responsible or liable, directly or indirectly, for ANY form of damages whatsoever resulting from the use (or misuse) of information contained in or implied by the information in this booklet. 6 7

5 Core is the charity for research and information on gut and liver disease YES I want to support the work of Core and enclose my donation of other NAME AND ADDRESS Title: First name: Surname: Address: Tel: Postcode: Making a regular payment to Core helps us plan our research and patient information programme. Please tell me about making a regular donation Please send details of how I can leave a legacy in my Will to Core METHOD OF PAYMENT I enclose a cheque made payable to Core Please charge my Mastercard / Visa / CAF / Switch Card / AmEx * *(delete as appropriate) Card No Issue Number: Expiry date: / Valid from: / Amount Date / / Signature SWITCH ONLY Do you pay tax? Would you like the Government to give us 2.50 for every 10 you donate at no extra cost to you? YES I wish this donation and all donations I make until further notice to be treated as Gift Aid Donations. Date / / I understand that I must pay in the tax year an amount of income/capital gains tax at least equal to the tax Core reclaims on my donations. If you are a higher rate tax payer you can reclaim, on your tax return to the Inland Revenue, the difference between basic rate and higher rate tax which is currently 20%. For example, if you donated 50 you would reclaim in tax. Your donation will effectively cost you and we would receive 62.50! 8 Core may contact you occasionally to inform you of its research, fundraising and other activities. If you do not wish to receive these mailings, please tick this box Please tick here if you do not want a receipt for your donation Please return your form, together with your donation to: Core, FREEPOST LON4268, London NW1 0YT Core is the working name of the Digestive Disorders Foundation Registered Charity Number

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